1. Department of Chemical Engineering, Waterloo Institute of Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
2. Department of Condensed Matter Physics and Materials Science, Brookhaven National Laboratory, Upton, New York 11973, United States
3. National-Local Joint Engineering Laboratory for Energy Conservation of Chemical Process, Integration and Resources Utilization, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China
4. Canadian Light Source, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0X4, Canada